OpenTechnical

OT-2026-000030374

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000030374) never changes.

Identity and time

Publication numberOT-2026-000030374 · never reused
Internal UUID01a0ae73-e501-7daf-b618-7764e1f7bf51 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030374
StatusPUBLIC

Content hashes

Canonical text9b9f2caac068bd2ad477e04c69140341625d511a171aec8bcfd4d1037ca147e3
Markdown7f6a7c8cad475b99d0dc09e7e739b8c1885cc70b44961ef9e8844a44eb8a763e
PDF
Publication page5e0d35dc943e906f0a08da6a80c2c1e00dc62e3a1929fac1b659c8ec78f2486e
Manifest7899f8da7df4ee3c046651955dc9a2b5b0ebe025dae90ce6d3e60084eabbfd39

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCo53m174S33WHURWAK6TAGYPIzLiICoHe72oGPdAoimtvTFwhiQPqbP+YBxEfxWAhYD0MZ0yF3icWRZnFMAoCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:05.891043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030374
observed 5e0d35dc943e906f0a08da6a80c2c1e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.870725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030374/manifest.json
observed 7899f8da7df4ee3c046651955dc9a2b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.849345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030374/publication.md
observed 7f6a7c8cad475b99d0dc09e7e739b8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:05.830798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030374/publication.txt
observed 9b9f2caac068bd2ad477e04c69140341...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.